cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A269890 Number of conjugacy classes of subgroups of the hyperoctahedral group.

Original entry on oeis.org

2, 8, 33, 193, 953, 7440, 55200, 627187, 7510549
Offset: 1

Views

Author

Martin Rubey, Mar 07 2016

Keywords

Crossrefs

Cf. A000638.

Programs

  • GAP
    Length(ConjugacyClassesSubgroups(CoxeterGroup( "B", n )));
    
  • Magma
    [#Subgroups(CoxeterGroup("B" cat IntegerToString(n))) : n in [1..9]];  // Robin Visser, Aug 09 2023

Extensions

a(6)-a(9) from Robin Visser, Aug 09 2023